Science

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Photo by WTL via Flickr. No frequent flyer is a stranger to turbulence. But what causes it, and how dangerous is it? Turbulence is the random, chaotic motion of air, caused by changes in air currents. From inside an…

Photo by NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Spacecraft Dawn's Detailed Images of Asteroid Vesta Mysterious tracks around asteroid Vesta's equator suggest that a tremendous impact by another unknown asteroid must have blasted Vesta during its early days. This comes from new images…

"With so many products and so many stores and websites, how do we decide what to buy and where to shop?" NewsHour science correspondent Miles O'Brien asks in the National Science Foundation's latest Science Nation piece. Computer scientists…